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Finding the Fourth Proportional to 373,232.70, 559,849.05 and 279,920.70

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Solution

The fourth proportional to 373,232.70, 559,849.05 and 279,920.70 is: 419,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,232.70 : 559,849.05 = 279,920.70 : x
  2. Step 2: Convert to fraction form
    373,232.70/559,849.05 = 279,920.70/x
  3. Step 3: Cross multiply
    373,232.70x = 559,849.05 × 279,920.70
  4. Step 4: Simplify right side
    373,232.70x = 156,713,337,970.34
  5. Step 5: Solve for x
    x = 156,713,337,970.34/373,232.70
  6. Step 6: Final answer
    x = 419,881.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.